Magnetic resonance imaging (MRI) of the fetuses showed fusion ... Panel B shows separation of the shared sagittal sinus after the twins were turned over. Panel C shows a cadaveric skin allograft ...

On a sagittal T1-weighted MRI scan without contrast material (Panel B), normal hypointense flow void is absent in the superior sagittal sinus (arrow). On a sagittal T1-weighted MRI scan obtained ...

A repeat MRI showed marked resolution of the brain parenchymal lesion and recanalization of the superior sagittal sinus (not shown). Venous strokes are not limited to arterial territories ...

(Left) T1-weighted axial MRI; (Middle) T2-weighted axial MRI ... In addition, thrombosis of the superior sagittal sinus classically presents with bilateral leg weakness, as the superior sagittal sinus ...

(Left) T1-weighted with gadolinium axial MRI; (Right) T1-weighted with gadolinium coronal MRI ... In addition, thrombosis of the superior sagittal sinus classically presents with bilateral leg ...